Edexcel Mechanics M1/January/2019

Edexcel IAL Mechanics M1/January/2019
WME01/01/Jan/19

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[Mahif_]

At Q.5 i'm confused, can you plz tell why the 6g didn't have any role in vertical or horizontal vectors? i mean why there wasn't any vector like 6gsin45 or others?

[TheMinitrickster]

Hello, in question 2, why do you subtract ra and rb to get rba?

[muhammadasjad]

dont we consider the the normal reaction of support P in question 4 part c?why is that so?

[adelaziz]

can you please do june 2019?
PLEASE??
Pretty PLEaSe?? <3

[sully]

20:45 the 560 for the person is also reversed for the lift? ( negative 560)??

[sully]

In question 2 why rba and not rab? Is there a difference anyway?

[habibaseif]

question 2 seems to be wrong because tan inverse of 7/6 is 54.88 therefore this means that the answer in the mark scheme seems to be incorrect since they wrote it as tan inverse of 6/7 and not tan inverse of 7/6 ( the right answer should be 54.88 + 270)

[hasanaltay]

sorry but can u explain why in question 7's last part the perpendicular line is equivalent to R and we are able to do the cosine rule there

[youhaverights]

hello, Q7 why did you put = 3ma in B and =ma in A. and what does (a) symbolize?

[XVII]

In q2 why did we divide them by -1 I know i and j are in negative but why the values are -1

[mujeebrehman]

last question there is mistake sin alpha should be 3/5 not 4/5 and cos alpha should be 4/5 not 3/5

[fishyamy]

I don’t understand why did u do X-3 wouldn’t that only include the distance up to R not to p should it not be X+3

[noorahmedmohamed]

In Q3 (b) why do we subtract 560 from the equation ?

[mdsohelrana]

How will we assume that we have to take moment about R, we could have taken from P too.

[aqilausrat]

hello miss do u have the gce june 19 m1 mark scheme ? if not can u please solve it?

[sully]

In question 4, why is reaction at P is zero in the whole question

[yazanaldinho]

Simastalious triangle, WWE reymasterio

[sandhyaedirisinghe]

Pls change your voice its a disturbance

[hibatoqeer]

please manage your voice, your quite helpful but voice is a great downside !